81301612

素因数分解:

$2^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{17387}}^1$

素因数の和:17565

約数の個数: 24

約数和(自身を含む): 163586304

約数和(自身を除く): 82284692

約数列:

[1, 2, 4, 7, 14, 28, 167, 334, 668, 1169, 2338, 4676, 17387, 34774, 69548, 121709, 243418, 486836, 2903629, 5807258, 11614516, 20325403, 40650806, 81301612]

約数ペア:

[(1, 81301612), (2, 40650806), (4, 20325403), (7, 11614516), (14, 5807258), (28, 2903629), (167, 486836), (334, 243418), (668, 121709), (1169, 69548), (2338, 34774), (4676, 17387)]